Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2004 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_LINESTIPPLE
#define OSG_LINESTIPPLE 1
#include <osg/StateAttribute>
#ifndef GL_LINE_STIPPLE
#define GL_LINE_STIPPLE 0x0B24
#endif
namespace osg {
class OSG_EXPORT LineStipple : public StateAttribute
{
public :
LineStipple();
LineStipple(GLint factor, GLushort pattern):
_factor(factor),
_pattern(pattern) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
LineStipple(const LineStipple& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(lw,copyop),
_factor(lw._factor),
_pattern(lw._pattern) {}
META_StateAttribute(osg, LineStipple, LINESTIPPLE);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
virtual int compare(const StateAttribute& sa) const
{
// check if the types are equal and then create the rhs variable.
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(LineStipple,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_factor)
COMPARE_StateAttribute_Parameter(_pattern)
return 0; // passed all the above comparison macros, must be equal.
}
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
{
usage.usesMode(GL_LINE_STIPPLE);
return true;
}
void setFactor(GLint factor);
inline GLint getFactor() const { return _factor; }
void setPattern(GLushort pattern);
inline GLushort getPattern() const { return _pattern; }
virtual void apply(State& state) const;
protected :
virtual ~LineStipple();
GLint _factor;
GLushort _pattern;
};
}
#endif